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A033514 Number of matchings in graph P_{11} X P_{n}. 2
1, 144, 251498, 293066688, 370635224561, 461148537211748, 575975678462394151, 718704019165239462736, 897032469743945346623442, 1119528305492897225312120742, 1397239543795157686038029989037, 1743829823240164494694386437970640 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

REFERENCES

Per Hakan Lundow, "Computation of matching polynomials and the number of 1-factors in polygraphs", Research reports, No 12, 1996, Department of Mathematics, Umea University.

LINKS

Alois P. Heinz, Table of n, a(n) for n = 0..300

Per Hakan Lundow, Enumeration of matchings in polygraphs, 1998.

CROSSREFS

Column k=11 of A210662.

Sequence in context: A023112 A159424 A013751 * A086778 A227652 A159436

Adjacent sequences:  A033511 A033512 A033513 * A033515 A033516 A033517

KEYWORD

nonn

AUTHOR

Per H. Lundow

STATUS

approved

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Last modified August 14 18:13 EDT 2022. Contains 356122 sequences. (Running on oeis4.)